2021 GMC Terrain engine computer — Electronic Control Module, 2.5L (4 cylinder, Hybrid), gasoline engine control price snapshot
- Low
- $85
- Average
- $152
- High
- $197

Year & trim-specific price guide
A used 2021 GMC Terrain engine computer (Electronic Control Module, 2.5L (4 cylinder, Hybrid), gasoline engine control) costs $85 to $197, with a median asking price of $182. Based on 8 priced salvage yard listings across the US, updated Sep 10, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $85–$197 | 8 | |
| Grade BStandard used | Updating | — | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | Updating | — |
Trim-specific context
This pricing covers the Electronic Control Module, 2.5L (4 cylinder, Hybrid), gasoline engine control variant of the 2021 GMC Terrain engine computer, based on 8 priced listings. Its $182 median is 46% above the 2021 GMC Terrain engine computer overall median of $125.
There are 2 other engine computer variants available for the 2021 GMC Terrain.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same year, other trims
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Common questions
Based on 8 priced salvage-yard listings, a used 2021 GMC Terrain engine computer in the Electronic Control Module, 2.5L (4 cylinder, Hybrid), gasoline engine control variant lists between $85 and $197, with a median asking price of $182.
In our current dataset, the Electronic Control Module, 2.5L (4 cylinder, Hybrid), gasoline engine control variant appears only for the 2021 model year.